Eugene Anatole Demarçay
It was a specialist in Spectroscopie. In 1896, it suspecta that samples of the element recently discovered, the Samarium, were contaminated by an unknown element and it insulated the europium in 1901.
- electric Spectra. Atlas ; Eugene Demarçay; Paris: Gauthier-Villars, 1895.
- On the acids tetric and oxytetric and their counterparts ; Eugene Demarçay; Paris: Gauthier-Villars, 1880.
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